Merge pull request #25 from xhaakon/master

Write each log into a separate section
[core-reducer] Try to find the stack even if sp overflowed

This patch gives us a chance to get the stack if a program
crashed due to infinite recursion.
Merge pull request #26 from amtep/master

[core-reducer] Try to find the stack even if sp overflowed
Check whether core-reducer finished successfully
Add logcat output into rich core